Home / 20,803.63-31,199.28-6,012.68

Finding the Fourth Proportional to 20,803.63, 31,199.28 and 6,012.68

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Solution

The fourth proportional to 20,803.63, 31,199.28 and 6,012.68 is: 9,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.63 : 31,199.28 = 6,012.68 : x
  2. Step 2: Convert to fraction form
    20,803.63/31,199.28 = 6,012.68/x
  3. Step 3: Cross multiply
    20,803.63x = 31,199.28 × 6,012.68
  4. Step 4: Simplify right side
    20,803.63x = 187,591,286.87
  5. Step 5: Solve for x
    x = 187,591,286.87/20,803.63
  6. Step 6: Final answer
    x = 9,017.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.